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Finding the Fourth Proportional to 621,660.03, 932,602.77 and 256,922.24

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Solution

The fourth proportional to 621,660.03, 932,602.77 and 256,922.24 is: 385,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,660.03 : 932,602.77 = 256,922.24 : x
  2. Step 2: Convert to fraction form
    621,660.03/932,602.77 = 256,922.24/x
  3. Step 3: Cross multiply
    621,660.03x = 932,602.77 × 256,922.24
  4. Step 4: Simplify right side
    621,660.03x = 239,606,388,035.59
  5. Step 5: Solve for x
    x = 239,606,388,035.59/621,660.03
  6. Step 6: Final answer
    x = 385,429.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.